Two methods have been followed, i. Ovum pick-up in cattle: This can be done in warm water. Donor offspring may later inquire about the identity of his or her genetic father as well. Check out this article to learn more or contact your system administrator. Ethical issues concerning sperm donation have been considered and discussed by government and non-governmental agencies, the public, media and academic institutions in many countries. It is noteworthy that for sustained livestock productivity, it is imperative to start using these techniques for facing the increasing challenges for productivity, reproduction and health with impending environment conditions. Theriogenology, the growth of the industry in North America, and personal reminisces. By Gretchen Vogel Nov.